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of Technology, Harbin 150001, China Received 28 July 2006; accepted 15 September 2006 Abstract:To investigate the treating parameters’ influence on the surface roughness of the MAO ceramic coating... will be improved. Key words: magnesium alloy; AZ91D; treating parameter; surface roughness; MAO ceramic coating 1 Introduction Magnesium is the lightest structural metal, and has excellent physical......
: finned tube; surface treating; heat transfer; multi-dimensional surface  ... transfer performance when being applied to tubular heat exchanger after the surface processing. 2) By treating the fins with three types of surface process, it is found that the finned tubes treated......
Effect of thermal treating temperature on characteristics of silver-doped titania CHAI Li-yuan(柴立元)1, WEI Shun-wen(韦顺文)1, PENG Bing(彭 兵)1, LI Zhu-ying(李竹英)2 1. School of Metallurgical Science... nm, and the specific surface area decreases from 63 to 38m2g. As the powder is calcined at 700 ℃, titania starts to transform from anatase to rutile phase. The release rate of  ......
to a porous outer layer, with an associated surface roughness (Ra=3-6 μm). And by treating the 2024 aluminum with a modified plasma electrolytic oxidation, the surface roughness of the PBC-PEO coatings... Influence of processing parameters on coating surface roughness of aluminum alloy PAN Ming-qiang(潘明强), CHI Guan-xin(迟关心), WEI Dong-bo(韦东波), DI Shi-chun(狄士春) School of Mechatronics......
Effect of additional element and heat treating temperature on micro-structure and mechanical behavior of Ag alloy thin film JU Dong-ying1, ISHIGURO S1, ARIZONO T1, HASEGAWA K2 1.Department..., when the X-ray is emitted to the sample surface used produced total reflection at critical angle of low angle. When X-ray is emitted in the material, it is very shallow along the sample surface......
increases with the treating time prolonging, but when the surface is treated for 240 min, the microhardness becomes a little small compared with that of treated for 160 min. The microhardness... Surface nanocrystallization of 7A04 aluminium alloy induced by circulation rolling plastic deformation YE Hui-qiong(叶惠琼), FAN Xin-min(樊新民) Department of Materials Science and Engineering, Nanjing......
Friction stir processing of thixoformed AZ91D magnesium alloy and fabrication of Al-rich surface CHEN Ti-jun(陈体军), ZHU Zhan-ming(朱战民), LI Yuan-dong(李元东), MA Ying(马 颖), HAO Yuan(郝 远) State Key...-mechanically affected zone were investigated during friction stir processing (FSP) of the thixoformed AZ91D alloy. Simultaneously, an Al-rich surface layer was prepared by combination of Al powder......
Surface Cleaning or Activation?Control of Surface Condition Prior to Thermo-Chemical Heat Treatment Brigitte Haase1,Juan Dong2,Jens Heinlein2 (1.Hochschule Bremerhaven, Dpt. Of Process Engineering... and results in terms of reproducibility and repeatability. They can be met only if the parts'' surface condition is controlled during manufacturing and, especially, prior to the treatment......
SURFACE EXCITATION PARAMETER IN QUANTITATIVE SURFACE ANALYSIS BY ELECTRON SPECTROSCOPY H.M.Li1,Z.J.Ding1,Z.M.Zhang1,K. Salma1 (1.Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics,University of Science and Technology of China, Hefei 230026, China) Abstract:The investigation of influence of surface effects on the energy spectra of electrons is essential......
PRINCIPLE AND PROCESS OF SURFACE DENATURATION OF FLY ASH朱玉峰摘 要:<正> To turn the fly ash from a solepozzolan to a cementing material,a newmethod of treating fly ash is presented inthis paper,i,e,heating the mixture offly ash,limestone powder at 960℃ in thepresence of mineralizers CaX2-CaSO4.Newlyformed lime is combined with fly ash anda coating......